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https://issues.apache.org/jira/browse/TINKERPOP-2555?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17455910#comment-17455910
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ASF GitHub Bot commented on TINKERPOP-2555:
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lyndonb-bq opened a new pull request #1515:
URL: https://github.com/apache/tinkerpop/pull/1515
# Summary
The following gremlin-python features and bugs are addressed in this pull
request:
- Remote Transaction support (`g.tx()`)
- Logging framework
- Bug where improper cleanup causes `aiohttp` stack trace pop up
- Fixed a bit of general code formatting throughout the library
## Related tickets
[TINKERPOP-2555 - g.tx() support for
gremlin-python](https://issues.apache.org/jira/browse/TINKERPOP-2555)
[TINKERPOP-? - Support for logger in gremlin-python](?)
[TINKERPOP-? - Improper closing of gremlin-python driver causes
exceptions](?)
## High level overview of individual changes made
### Source:
1. Added `neo4j-gremlin` dependency to `pom.xml`, fixed issue with
`TEST_TRANSACTION` environment variable.
2. Made `DriverRemoteConnection` latch parameters so they can be reused to
create a subsequent session
3. Added logging throughout the driver
4. Added `commit` and `rollback` to `DriverRemoteConnection`
5. Added some logging to receive message
6. Added transaction support to `RemoteConnection`
6. Added `Bytecode` support to `Session` `processor`
7. Fixed bug in `aiohttp` transport layer that popped up when it was not
shutdown properly
8. Added `Transaction` class to `graph_traversal.py`, added `tx` function
which generates a `Transaction`
9. Added `create_graph_op `method that allows a simple `Bytecode` with
source to be created
10. Added `GraphOp` class with `commit` and `rollback` functions which
return `Bytecode` for `commit` and `rollback`
### Test:
1. Enhance test configuration to have `remote_transaction_connection`
2. Updated `submitAsync` -> `submit_async` for `test_client`
3. Added transaction test to exercise basic `commit`
4. Added transaction test to exercise basic `rollback`
5. Added transaction test to exercise multi `commit`
6. Added transaction test to exercise multi `rollback`
7. Added transaction test to exercise multi `commit` and `rollback` together
8. Added transaction test to exercise illegal operations (negative test)
### Documentation:
1. Added documentation for gremlin-python usage
2. Updated CHANGELOG to include `g.tx()` support
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> Support for remote transactions in Python
> -----------------------------------------
>
> Key: TINKERPOP-2555
> URL: https://issues.apache.org/jira/browse/TINKERPOP-2555
> Project: TinkerPop
> Issue Type: Improvement
> Components: python
> Affects Versions: 3.5.0
> Reporter: Stephen Mallette
> Priority: Major
>
> TINKERPOP-2537 introduced remote transactions with {{g.tx()}} for use with
> Java. The same functionality should be made available in Python.
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